//the path isnt caluculated immediatly but is done over the duration of frames
//A method will be fed into the Action variable, but it written as an array as there will be more
//than one vector calculated
public static void RequestPath(Vector3 pathStart, Vector3 pathEnd, Action <Vector3[], bool> callback)
{
PathRequestBFS newRequest = new PathRequestBFS(pathStart, pathEnd, callback);
instance.pathRequestQueue.Enqueue(newRequest);
instance.TryProcessNext();
}
//check to see if we are already processing a path, and if not then process the next path
void TryProcessNext()
{
if (!isProcessingPath && pathRequestQueue.Count > 0)
{
//get the first item of the request
currentPathRequest = pathRequestQueue.Dequeue();
isProcessingPath = true;
pathfinding.StartFindPath(currentPathRequest.pathStart, currentPathRequest.pathEnd);
}
}